"Have you ever seen a dragon on a roof? A giant lizard? A snail the size of a basketball? Join us on a field trip to some of the fascinating places architect Antoni Gaudi created more than 100 years ago."--Page 4 of cover.

"Red system" series part identified by red band on books as identified on publisher webpage for Fountas & Pinnell Leveled Literacy Intervention System (LLI) http://www.heinemann.com/fountasandpinnell/lli_Overview.aspx.